<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright   Copyright (c) 2013 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Adminhtml Catalog Inventory Manage Stock Config Backend Model
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Model_System_Config_Backend_Catalog_Inventory_Managestock
    extends Mage_Core_Model_Config_Data
{
/**
     * After change Catalog Inventory Manage value process
     *
     * @return Mage_Adminhtml_Model_System_Config_Backend_Catalog_Inventory_Managestock
     */
    protected function _afterSave()
    {
        $newValue = $this->getValue();
        $oldValue = Mage::getConfig()->getNode(
            Mage_CatalogSearch_Model_Fulltext::XML_PATH_CATALOG_SEARCH_TYPE,
            $this->getScope(),
            $this->getScopeId()
        );
        if ($newValue != $oldValue) {
            Mage::getSingleton('cataloginventory/stock_status')->rebuild();
        }

        return $this;
    }
}
